How many non-NA and how many NA values are there in the table? Create a new variable ans of class table that gives total number of non-NA as well as NA entries. The first component should be number of non-NA's, the second should be number of NA's. (You should have just one line of a code).
*In R please
How many non-NA and how many NA values are there in the table? Create a new variable ans of class table that gives total number of non-NA as well as NA entries. The first component should be number of non-NA's, the second should be number of NA's. (You should have just one line of a code).
New York Air Quality Measurements
Description
Daily air quality measurements in New York, May to September 1973.
Usage
airquality
Format
A data frame with 153 observations on 6 variables.
[,1]OzonenumericOzone (ppb)[,2]Solar.RnumericSolar R (lang)[,3]WindnumericWind (mph)[,4]TempnumericTemperature (degrees F)[,5]MonthnumericMonth (1--12)[,6]DaynumericDay of month (1--31)
Details
Daily readings of the following air quality values for May 1, 1973 (a Tuesday) to September 30, 1973.
Ozone: Mean ozone in parts per billion from 1300 to 1500 hours at Roosevelt Island
Solar.R: Solar radiation in Langleys in the frequency band 4000–7700 Angstroms from 0800 to 1200 hours at Central Park
Wind: Average wind speed in miles per hour at 0700 and 1000 hours at LaGuardia Airport
Temp: Maximum daily temperature in degrees Fahrenheit at La Guardia Airport.
Source
The data were obtained from the New York State Department of Conservation (ozone data) and the National Weather Service (meteorological data).
References
Chambers, J. M., Cleveland, W. S., Kleiner, B. and Tukey, P. A. (1983) Graphical Methods for Data Analysis. Belmont, CA: Wadsworth.
Examples
require(graphics) pairs(airquality, panel = panel.smooth, main = "airquality data")
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